Magento: remove trailing slash from the website URL

A note on how to remove the slash at the end of the URL without damaging the store.

What it’s for: For a server, mydomain.com/category and mydomain.com/category/ are the same. But for search engines these are two different pages with the same content. And this is important for SEO.

What do we have to do:

First we need to slightly fix the getUrl() function so that the generated URLs do not have a trailing slash. In order not to make changes to the core itself (which is fraught with the loss of all custom functionality when updating Magento), copy the file app/code/core/Mage/Core/Block/Abstract.php to app/code/local/Mage/Core/Block/Abstract.php.

Find the getUrl() function in the app/code/local/Mage/Core/Block/Abstract.php file (line 941):

public function getUrl($route = '', $params = array())
{
  return $this->_getUrlModel()->getUrl($route, $params);
}

Change the code of this function to this one:

public function getUrl($route = '', $params = array())
{
  $return_url = $this->_getUrlModel()->getUrl($route, $params);
  if ($return_url != $this->getBaseUrl() && substr($return_url, -1) == '/' && !Mage::getSingleton('admin/session')->isLoggedIn()):
    return substr($return_url, 0, -1);
  else:
    return $return_url;
  endif;
}

Next, we will need to edit .htaccess in the root of the site with the following lines:

RewriteCond %{request_method} ^GET$
RewriteCond %{REQUEST_URI} ^(.+)/$
RewriteRule ^(.+)$ %1 [L,R=301]

In the standard .htaccess this should be added after the line:

RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization}]

If you have a multi-store, then the rules in .htaccess must be added for each store.

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